Directory of Power Plants in Connecticut
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 422.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
GenConn Devon LLC | GenConn Devon LLC | Milford, CT | ISO New England (ISNE) | 2.3 GWh | May 2010 | Dec 2023 | Kerosene : 96.0% Natural Gas : 4.0% |
GenConn Middletown LLC | GenConn Middletown LLC | Middletown, CT | ISO New England (ISNE) | 3.5 GWh | May 2011 | Dec 2023 | Kerosene : 83.6% Natural Gas : 16.4% |
Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 8.9 GWh | Mar 1986 | Dec 2024 | Water |
Gravel Pit Solar, LLC | Gravel Pit Solar, LLC | East Windsor, CT | ISO New England (ISNE) | 19.9 GWh | - | Apr 2025 | Solar |
Generate Colchester Fuel Cells, LLC | Generate Colchester Fuel Cells, LLC | Colchester, CT | ISO New England (ISNE) | 76.7 GWh | Sep 2021 | Dec 2024 | Natural Gas |
Browse Power Plants By Connecticut Counties
Figures are based on March 2025 generation numbers.County | State Rank | Active Plants | Mar 2025 Generation |
---|---|---|---|
Northwest Hills Planning Region, CT | # 9 | 15 | 66.6 GWh |
Western Connecticut Planning Region, CT | # 8 | 15 | 178.3 GWh |
Capitol Planning Region, CT | # 7 | 54 | 682.7 GWh |
Lower Connecticut River Valley Planning Region, CT | # 6 | 16 | 3.5 TWh |
South Central Connecticut Planning Region, CT | # 5 | 23 | 3.9 TWh |
County | State Rank | Active Plants | Mar 2025 Generation |
---|---|---|---|
Naugatuck Valley Planning Region, CT | # 4 | 15 | 5.7 TWh |
Northeastern Connecticut Planning Region, CT | # 3 | 17 | 6.2 TWh |
Greater Bridgeport Planning Region, CT | # 2 | 10 | 7.2 TWh |
Southeastern Connecticut Planning Region, CT | # 1 | 50 | 17.3 TWh |